In the title compound, C(22)H(21)NOS, the thio-pyran-one ring adopts a chair-like conformation with the substituent in the axial position. The relative configuration of the racemic compound is 3R,7S according to the numbering scheme used in this publication. In the crystal packing, centrosymmetric dimers are built up via N-H⋯O hydrogen bonds, with graph set… (More)
In the title compound, C(18)H(17)Cl(2)NOS, the thio-pyran-one ring adopts a chair conformation, with the substituent in the axial position. The dihedral angle between the two benzene rings is 89.43 (1)°. In the crystal, mol-ecules form inversion dimers through inter-molecular N-H⋯O hydrogen bonds [graph set R(2) (2)(8)].